The world's biggest environmental cleanup of its kind has resumed on the Thomson Reservoir as federal and state agencies seek to remediate industrial pollutants along Lake Superior's largest river.

Democratic leaders in both houses of Congress Thursday introduced legislation to help combat the ongoing Tijuana River sewage ...

Democratic leaders push new legislation to empower EPA as lead agency to tackle Tijuana River's sewage pollution and protect ...

Of the 2,099 people who responded, 97% said they were concerned about air quality around the Tijuana River and 96% about ...

The South Bay community remains concerned about air quality, drinking water and health outcomes related to the Tijuana River pollution crisis, according to a survey released Tuesday.

A long-awaited scientific report commissioned by Polk County says farm pollution threatens the ability to drink clean water and to safely interact with central Iowa streams.

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

Glyn Marshall of The Angling Trust fears the River Severn is deteriorating because of sewage and pollution.